What is the main source of energy for life on Earth? A. Wind B. Water C. Sun D. Earth 相关知识点: 试题来源: 解析 C。地球上生命的主要能量来源是太阳。选项 C 正确。选项 A“Wind”风不是主要能量来源;选项 B“Water”水不是能量来源;选项 D“Earth”地球本身不是能量来源。反馈 收藏 ...
What is the main source of energy for most ecosystems? A. Wind B. Water C. Sun D. Soil 相关知识点: 试题来源: 解析 C。解析:对于大多数生态系统来说,太阳是主要的能量来源。风能、水能、土壤都不是主要的能量来源,植物通过光合作用将太阳能转化为化学能,然后沿着食物链传递。
A. Wind energy B. Solar energy C. Nuclear energy D. Hydro E. nergy 相关知识点: 试题来源: 解析 B。地球上生命的主要能量来源是太阳能(Solar energy)。选项 A 风能不是主要的;选项 C 核能不是生命的主要能量来源;选项 D 水能也不是主要的。反馈...
Wind energy is a clean and renewable energy source. What measure can be taken to improve the power generation efficiency of wind turbines? A. Reducing the height of wind turbines B. Using smaller blades C. Installing wind turbines in areas with low - speed wind D. Regular maintenance and ...
A. Wind power B. Solar energy C. Nuclear energy D. Geothermal E. nergy 相关知识点: 试题来源: 解析 B。解析:太阳能是地球上生命的主要能源来源,B 选项正确。A 选项风能不是主要能源。C 选项核能并非生命的主要能源。D 选项地热能也不是主要能源。反馈...
lifewereasbeautifulaswhenwefirstmet,whyshouldtheautumnwindbothertopitydeserted paintedfans?” Meanwhile,men,especiallytheliterati(文人),usedzheshan.Theliteratilikedthembecause zheshanwereusuallymadeofpaperandtheycouldpaintandwritepoemsonthem.Itwasaway forthemtoshowofftheirskillsinliterature,paintingandcalligraphy...
What is the ultimate source(s) of energy that drives all processes on Earth? What is the ultimate energy source for most wind? The Sun makes energy through a process called? What single energy source do most energy alternatives depend on, either directly or indirectly?
powerenergyismatureinawiderangeoffields. Butthereareotherconsiderations.Forexample, solarfarmsaredense(密集),whilethelandbetweenwindturbinescanbeco-usedforagriculture. Tidalpowerisan environmentally-friendly energysource.Inadditiontobeingarenewable energy,itdoesnotgiveoffanyclimategasesand doesnottakeupalotofspace...
This low impact is achieved in several ways: by limiting the packaging waste created; by using materials which are recyclable or biodegradable; and by using renewable energy during production (such as solar, hydro or wind energy). The ultimate goal of green packaging is to encourage businesses ...
In recent years, there has been a global focus and consensus on the development of clean and green energy. Wind power, as one of the most important sources of clean energy, plays a major role in the energy structure of many countries. For example, China committed itself to the "double ca...